CVE-2023-1083 Welotec: improper access control in TK500v1 router series
Unauthenticated attackers can send MQTT commands to modify configuration, reboot devices, or update firmware on Welotec TK500v1 routers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-1083?
CVE-2023-1083 is a critical missing authorization vulnerability in Welotec TK515L, published on 9 Apr 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An unauthenticated remote attacker who is aware of a MQTT topic name can send and receive messages, including GET/SET configuration commands, reboot commands and firmware updates.
Weakness: CWE-306
Which versions are affected by CVE-2023-1083?
How do I fix CVE-2023-1083?
No fix has been published for CVE-2023-1083 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2023-1083 being exploited?
There is no known exploitation of CVE-2023-1083 in the wild and no public exploit code.
Sources
Also known as GHSA-73qm-xvq7-vqwg.